Switches Example in Android

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This example shows how to create and set switches in android.

Algorithm:

1.) Create a new project by File-> New -> Android Project name it SwitchesExample.

2.) Write following into main.xml:

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<?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"             android:layout_width="match_parent"             android:layout_height="match_parent">     <LinearLayout          android:orientation="vertical"          android:layout_width="match_parent"          android:layout_height="wrap_content">         <Switch android:text="Standard switch"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:layout_marginBottom="32dip" />         <Switch android:text="Default is on"                 android:checked="true"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:layout_marginBottom="32dip" />         <Switch android:id="@+id/monitored_switch"                 android:text="Monitored switch"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:layout_marginBottom="32dip" />         <Switch android:text="Customized text"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 android:textOn="Start"                 android:textOff="Stop"                 android:layout_marginBottom="32dip" />           </LinearLayout> </ScrollView>

3.) Run for output.

Steps:

1.) Create a project named SwitchesExample and set the information as stated in the image.

Build Target: Android 4.0
Application Name: SwitchesExample
Package Name: com. example. SwitchesExample
Activity Name: SwitchesExample
Min SDK Version: 14

2.) Open SwitchesExample.java file and write following code there:

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package com.example.SwitchesExample; import android.app.Activity; import android.os.Bundle; import android.widget.CompoundButton; import android.widget.Switch; import android.widget.Toast; public class SwitchesExample extends Activity implements CompoundButton.OnCheckedChangeListener {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);                   setContentView(R.layout.main);                   Switch s = (Switch) findViewById(R.id.monitored_switch);         if (s != null) {             s.setOnCheckedChangeListener(this);         }     }     @Override     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {        Toast.makeText(this, "Monitored switch is " + (isChecked ? "on" : "off"),                Toast.LENGTH_SHORT).show();     } }

3.) AndroidManifest.xml :

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.sw"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="14"

        android:targetSdkVersion="14" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.example.sw.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

4.) Compile and build the project.

Output

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